support clearing user tokens by cli

cmd/user_data.go

@@ -88,6 +88,18 @@ var UserData = &cli.Command{
 				},
 			},
 		},
+		{
+			Name:   "user-token-clear",
+			Usage:  "Clear user all tokens",
+			Action: clearUserTokens,
+			Flags: []cli.Flag{
+				&cli.StringFlag{
+					Name:    "username",
+					Aliases: []string{"n"},
+					Usage:   "Specific user name",
+				},
+			},
+		},
 		{
 			Name:   "transaction-check",
 			Usage:  "Check whether user all transactions and accounts are correct",
@@ -206,6 +218,26 @@ func deleteUser(c *cli.Context) error {
 	return nil
 }
 
+func clearUserTokens(c *cli.Context) error {
+	_, err := initializeSystem(c)
+
+	if err != nil {
+		return err
+	}
+
+	username := c.String("username")
+	err = clis.UserData.ClearUserTokens(c, username)
+
+	if err != nil {
+		log.BootErrorf("[user_data.clearUserTokens] error occurs when clearing user tokens")
+		return err
+	}
+
+	log.BootInfof("[user_data.clearUserTokens] all tokens of user \"%s\" has been cleared", username)
+
+	return nil
+}
+
 func checkUserTransactionAndAccount(c *cli.Context) error {
 	_, err := initializeSystem(c)
 

pkg/cli/user_data.go

@@ -176,6 +176,31 @@ func (l *UserDataCli) DeleteUser(c *cli.Context, username string) error {
 	return nil
 }
 
+// ClearUserTokens clears all tokens of the specified user
+func (l *UserDataCli) ClearUserTokens(c *cli.Context, username string) error {
+	if username == "" {
+		log.BootErrorf("[user_data.ClearUserTokens] user name is empty")
+		return errs.ErrUsernameIsEmpty
+	}
+
+	uid, err := l.getUserIdByUsername(c, username)
+
+	if err != nil {
+		log.BootErrorf("[user_data.ClearUserTokens] error occurs when getting user id by user name")
+		return  err
+	}
+
+	now := time.Now().Unix()
+	err = l.tokens.DeleteTokensBeforeTime(uid, now)
+
+	if err != nil {
+		log.BootErrorf("[user_data.ClearUserTokens] failed to delete tokens of user \"%s\", because %s", username, err.Error())
+		return err
+	}
+
+	return nil
+}
+
 // CheckTransactionAndAccount checks whether all user transactions and all user accounts are correct
 func (l *UserDataCli) CheckTransactionAndAccount(c *cli.Context, username string) (bool, error) {
 	if username == "" {